CS Camelopardalis

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CS Camelopardalis

CS Camelopardalis
Observation data
Epoch J2000      Equinox J2000
Constellation Camelopardalis
Right ascension 03h 29m 04.1335s
Declination +59° 56′ 25.188″
Apparent magnitude (V) 4.259
Characteristics
Spectral type B9Ia
U-B color index -0.24
B-V color index 0.41
R-I color index 0.38
Variable type Alpha Cygni variable
Astrometry
Radial velocity (Rv) -6.8 km/s
Proper motion (μ) RA: -0.82 mas/yr
Dec.: -1.85 mas/yr
Parallax (π) 0.76 ± 0.89 mas
Distance approx. 4000 ly
(approx. 1000 pc)
Absolute magnitude (MV) 4.597
Details
Mass 18 M
Radius 7 R
Luminosity 20,000 L
Temperature 10,000–30,000 K
Rotation 29 Km/s
0,0335 Year
Orbit
Companion CCDM 03291+5956 B
STF 385
Semimajor axis (a) 2.4"
Inclination (i) 162°
Other designations
HD 21291, HIP 16228, SAO 24054, ADS 2544, CCDM 03291+5956.
Database references
SIMBAD data
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

CS Camelopardalis (CS Cam) is a binary star in reflection nebulae vdB 14, in the constellation Camelopardalis.

The primary component, CS Camelopardalis A, is a blue-white B-type supergiant with a mean apparent magnitude of +4.21. It is classified as an Alpha Cygni type variable star and its brightness varies from magnitude +4.19 to +4.23. Its companion, CS Camelopardalis B, is a magnitude +8.7 star located 2.9 arcseconds from the primary.

Reference

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